648000319 has 2 divisors, whose sum is σ = 648000320. Its totient is φ = 648000318.

The previous prime is 648000307. The next prime is 648000337. The reversal of 648000319 is 913000846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 648000319 - 2⁷ = 648000191 is a prime.

It is a super-2 number, since 2×648000319² = 839808826848203522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648004319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324000159 + 324000160.

It is an arithmetic number, because the mean of its divisors is an integer number (324000160).

Almost surely, 2^648000319 is an apocalyptic number.

648000319 is a deficient number, since it is larger than the sum of its proper divisors (1).

648000319 is an equidigital number, since it uses as much as digits as its factorization.

648000319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 648000319 is about 25455.8503884667. The cubic root of 648000319 is about 865.3498841837.

The spelling of 648000319 in words is "six hundred forty-eight million, three hundred nineteen", and thus it is an aban number.